metag: drop _PAGE_FILE and pte_file()-related helpers

We've replaced remap_file_pages(2) implementation with emulation.  Nobody
creates non-linear mapping anymore.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/metag/include/asm/pgtable.h b/arch/metag/include/asm/pgtable.h
index 0d9dc5487296864c855ffe8069eaa3920696d9b1..d0604c0a87022231f37157531e1175894545ee4a 100644 (file)
--- a/arch/metag/include/asm/pgtable.h
+++ b/arch/metag/include/asm/pgtable.h
@@ -47,7 +47,6 @@
  */
 #define _PAGE_ACCESSED         _PAGE_ALWAYS_ZERO_1
 #define _PAGE_DIRTY            _PAGE_ALWAYS_ZERO_2
-#define _PAGE_FILE             _PAGE_ALWAYS_ZERO_3
 
 /* Pages owned, and protected by, the kernel. */
 #define _PAGE_KERNEL           _PAGE_PRIV
@@ -219,7 +218,6 @@ extern unsigned long empty_zero_page;
 static inline int pte_write(pte_t pte)   { return pte_val(pte) & _PAGE_WRITE; }
 static inline int pte_dirty(pte_t pte)   { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)   { return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte)    { return pte_val(pte) & _PAGE_FILE; }
 static inline int pte_special(pte_t pte) { return 0; }
 
 static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) &= (~_PAGE_WRITE); return pte; }
@@ -327,10 +325,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
 #define __pte_to_swp_entry(pte)                ((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)          ((pte_t) { (x).val })
 
-#define PTE_FILE_MAX_BITS      22
-#define pte_to_pgoff(x)                (pte_val(x) >> 10)
-#define pgoff_to_pte(x)                __pte(((x) << 10) | _PAGE_FILE)
-
 #define kern_addr_valid(addr)  (1)
 
 /*